Chemical Analysis by Redox Titration

In this experiment, you will conduct two separate redox titrations using a standardized permanganate solution. In the first titration, you will be trying to find the % hydrogen peroxide in a commercially sold solution. In the second titration, you will be trying to find the % iron in an unknown iron salt. Permanganate ion is a powerful oxidizing agent, especially in acidic solution, which can be used to analyze (by titration) solutions containing many different species. In these titration reactions, the intensely colored MnO4- ion is reduced to form the colorless Mn2+ ion.

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Lesson (Lessons that don't include any sort of interactive component.)